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1. WO2021121714 - ELECTRODE BASED ON LITHIATED IRON MANGANESE PHOSPHATE FOR ELECTROCHEMICAL LITHIUM-ION COMPONENT

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Publication Number WO/2021/121714
Publication Date 24.06.2021
International Application No. PCT/EP2020/079072
International Filing Date 15.10.2020
IPC
H01M 4/136 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
1397of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/02 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
CPC
H01M 2004/021
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
021Physical characteristics, e.g. porosity, surface area
H01M 4/136
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
136Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
1397of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/5825
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
5825Oxygenated metallic slats or polyanionic structures, e.g. borates, phosphates, silicates, olivines
H01M 4/622
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
621Binders
622being polymers
H01M 4/623
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
621Binders
622being polymers
623fluorinated polymers
Applicants
  • SAFT [FR]/[FR]
Inventors
  • BIDOIS, Jill
  • CHOMETTE, Cyril
  • HERREYRE, Sylvie
  • POUPARD, Philippe
  • SIMON, Bernard
  • LAVAUD, Céline
Agents
  • HIRSCH & ASSOCIES (GROUPEMENT 161)
Priority Data
FR191486519.12.2019FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) ELECTRODE BASED ON LITHIATED IRON MANGANESE PHOSPHATE FOR ELECTROCHEMICAL LITHIUM-ION COMPONENT
(FR) ELECTRODE À BASE DE PHOSPHATE DE MANGANÈSE ET DE FER LITHIÉ POUR ÉLEMENT ELECTROCHIMIQUE LITHIUM-ION
Abstract
(EN) An active substance composition comprising: a) a lithiated iron manganese phosphate of formula LixMn1-y-zFeyMzPO4 in which M is selected from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb and Mo, alone or as a mixture, with 0.8 ≤ x ≤ 1.2; 1-y-z > 0.5; 0.5 > y ≥ 0.05 and 0 ≤ z ≤ 0.2; and b) at least one crosslinked or non-crosslinked polymer selected from: i) a hydrogenated butadiene-acrylonitrile copolymer comprising from 10 to 60% by mass of acrylonitrile units and containing a molar percentage of residual double bonds of from 0.5 to 20%, ii) a carboxylated butadiene-acrylonitrile copolymer comprising from 10 to 60% by mass of acrylonitrile units and containing a molar percentage of residual double bonds of from 0.5 to 20%, iii) a mixture thereof.
(FR) Une composition de matière active comprenant: a) un phosphate de manganèse et de fer lithié de formule LixMn1-y-zFeyMzPO4 où M est choisi dans le groupe consistant en B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb et Mo, pris seuls ou en mélange, avec 0,8 ≤ x ≤1,2; 1-y-z > 0,5; 0,5 > y ≥ 0,05 et 0 ≤ z ≤ 0,2; et b) au moins un polymère réticulé ou non choisi parmi: i) un copolymère de butadiène-acrylonitrile hydrogéné comprenant de 10 à 60% en masse de motifs acrylonitrile et présentant un pourcentage molaire de double liaisons résiduelles allant de 0,5 à 20%, ii) un copolymère de butadiène-acrylonitrile carboxylé comprenant de 10 à 60% en masse de motifs acrylonitrile, et présentant un pourcentage molaire de double liaisons résiduelles allant de 0,5 à 20%, iii) un mélange de ceux-ci.
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